Study: Vitamins don't lower heart risks in men

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LOS ANGELES Multivitamins might help lower the risk for cancer in healthy older men but do not affect their chances of developing heart disease, new research suggests.

Two other studies found fish oil didn't work for an irregular heartbeat condition called atrial fibrillation, even though it is thought to help certain people with heart disease or high levels of fats called triglycerides in their blood.

The bottom line: Dietary supplements have varied effects and whether one is right for you may depend on your personal health profile, diet and lifestyle.

“Many people take vitamin supplements as a crutch,” said study leader Dr. Howard Sesso of Brigham and Women's Hospital in Boston. “They're no substitute for a heart-healthy diet, exercising, not smoking, keeping your weight down,” especially for lowering heart risks.

The studies were presented Monday at an American Heart Association conference in Los Angeles.

A separate analysis released in connection with the meeting showed that at least 1 in 3 baby boomers who are in good shape will eventually develop heart problems or have a stroke. The upside – that will happen about seven years later than for their less healthy peers.

The study is “a wake-up call that this disease is very prevalent in the United States and even if you're doing a good job, you're not immune,” said Dr. Vincent Bufalino, a Chicago-area cardiologist and spokesman for the American Heart Association.

The findings came in an analysis of five major studies involving nearly 50,000 adults aged 45 and older who were followed for up to 50 years.

The research was published online by the Journal of the American Medical Association, along with the vitamin paper and one fish oil study.

Sesso's study involved nearly 15,000 healthy male doctors given monthly packets of Centrum Silver or fake multivitamins. After about 11 years, there were no differences between the groups in heart attacks, strokes, chest pain, heart failure or heart-related deaths. Side effects were fairly similar except for more rashes among vitamin users. The National Institutes of Health paid for most of the study.

The same study a few weeks ago found that multivitamins cut the chance of developing cancer by 8 percent a modest amount and less than what can be achieved from a good diet, exercise and not smoking.

Multivitamins also may have different results in women or people less healthy than those in this study – only 4 percent smoked, for example.

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